Wash. Admin. Code § 173-441-080
(2) Table A–2 of this section provides a conversion table for some of the common units of measure used in this chapter.
Table A-2:
Units of Measure Conversions
| To convert from | To | Multiply by |
| Kilograms (kg) | Pounds (lbs) | 2.20462 |
| Pounds (lbs) | Kilograms (kg) | 0.45359 |
| Pounds (lbs) | Metric tons | 4.53592 x 10-4 |
| Short tons | Pounds (lbs) | 2,000 |
| Short tons | Metric tons | 0.90718 |
| Metric tons | Short tons | 1.10231 |
| Metric tons | Kilograms (kg) | 1,000 |
| Cubic meters (m3) | Cubic feet (ft3) | 35.31467 |
| Cubic feet (ft3) | Cubic meters (m3) | 0.028317 |
| Gallons (liquid, US) | Liters (l) | 3.78541 |
| Liters (l) | Gallons (liquid, US) | 0.26417 |
| Barrels of liquid fuel (bbl) | Cubic meters (m3) | 0.15891 |
| Cubic meters (m3) | Barrels of liquid fuel (bbl) | 6.289 |
| Barrels of liquid fuel (bbl) | Gallons (liquid, US) | 42 |
| Gallons (liquid, US) | Barrels of liquid fuel (bbl) | 0.023810 |
| Gallons (liquid, US) | Cubic meters (m3) | 0.0037854 |
| Liters (l) | Cubic meters (m3) | 0.001 |
| Feet (ft) | Meters (m) | 0.3048 |
| Meters (m) | Feet (ft) | 3.28084 |
| Miles (mi) | Kilometers (km) | 1.60934 |
| Kilometers (km) | Miles (mi) | 0.62137 |
| Square feet (ft2) | Acres | 2.29568 x 10-5 |
| Square meters (m2) | Acres | 2.47105 x 10-4 |
| Square miles (mi2) | Square kilometers (km2) | 2.58999 |
| Degrees Celsius (°C) | Degrees Fahrenheit (°F) | °C = (5/9) x (°F - 32) |
| Degrees Fahrenheit (°F) | Degrees Celsius (°C) | °F = (9/5) x (°C + 32) |
| Degrees Celsius (°C) | Kelvin (K) | K = °C + 273.15 |
| Kelvin (K) | Degrees Rankine (°R) | 1.8 |
| Joules | Btu | 9.47817 x 10-4 |
| Btu | MMBtu | 1 x 10-6 |
| Pascals (Pa) | Inches of Mercury (in Hg) | 2.95334 x 10-4 |
| Inches of Mercury (in Hg) | Pounds per square inch (psi) | 0.49110 |
| Pounds per square inch (psi) | Inches of Mercury (in Hg) | 2.03625 |
[Statutory Authority: RCW 70A.15.2200. WSR 22-05-050 (Order 21-07), § 173-441-080, filed 2/9/22, effective 3/12/22. Statutory Authority: Chapters 70.94, 70.235 RCW. WSR 16-19-047 (Order 15-10), § 173-441-080, filed 9/15/16, effective 10/16/16; WSR 15-04-051 (Order 13-13), § 173-441-080, filed 1/29/15, effective 3/1/15. Statutory Authority: 2010 c 146, and chapters 70.235 and 70.94 RCW. WSR 10-24-108 (Order 10-08), § 173-441-080, filed 12/1/10, effective 1/1/11.]